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-rw-r--r--src/vnet/lisp-cp/control.h448
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diff --git a/src/vnet/lisp-cp/control.h b/src/vnet/lisp-cp/control.h
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-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef VNET_CONTROL_H_
-#define VNET_CONTROL_H_
-
-#include <vnet/vnet.h>
-#include <vnet/lisp-cp/gid_dictionary.h>
-#include <vnet/lisp-cp/lisp_types.h>
-#include <vppinfra/timing_wheel.h>
-#include <vppinfra/tw_timer_1t_3w_1024sl_ov.h>
-
-#define NUMBER_OF_RETRIES 1
-#define PENDING_MREQ_EXPIRATION_TIME 3.0 /* seconds */
-#define PENDING_MREQ_QUEUE_LEN 5
-
-#define RLOC_PROBING_INTERVAL 60.0
-
-/* when map-registration is enabled "quick registration" takes place first.
- In this mode ETR sends map-register messages at an increased frequency
- until specified message count is reached */
-#define QUICK_MAP_REGISTER_MSG_COUNT 5
-#define QUICK_MAP_REGISTER_INTERVAL 3.0
-
-/* normal map-register period */
-#define MAP_REGISTER_INTERVAL 60.0
-
-/* how many tries until next map-server election */
-#define MAX_EXPIRED_MAP_REGISTERS_DEFAULT 3
-
-#define PENDING_MREG_EXPIRATION_TIME 3.0 /* seconds */
-
-/* 24 hours */
-#define MAP_REGISTER_DEFAULT_TTL 86400
-
-typedef struct
-{
- gid_address_t src;
- gid_address_t dst;
- u32 retries_num;
- f64 time_to_expire;
- u8 is_smr_invoked;
- u64 *nonces;
- u8 to_be_removed;
-} pending_map_request_t;
-
-typedef struct
-{
- f64 time_to_expire;
-} pending_map_register_t;
-
-typedef struct
-{
- gid_address_t leid;
- gid_address_t reid;
- u8 is_src_dst;
- locator_pair_t *locator_pairs;
-} fwd_entry_t;
-
-typedef struct
-{
- gid_address_t leid;
- gid_address_t reid;
-} lisp_adjacency_t;
-
-typedef enum
-{
- IP4_MISS_PACKET,
- IP6_MISS_PACKET
-} miss_packet_type_t;
-
-/* map-server/map-resolver structure */
-typedef struct
-{
- u8 is_down;
- f64 last_update;
- ip_address_t address;
- char *key;
-} lisp_msmr_t;
-
-typedef struct
-{
- /* headers */
- u8 data[100];
- u32 length;
- miss_packet_type_t type;
-} miss_packet_t;
-
-typedef struct
-{
- u8 mac[6];
- u32 ip4;
-} lisp_api_l2_arp_entry_t;
-
-typedef struct
-{
- u8 mac[6];
- u8 ip6[16];
-} lisp_api_ndp_entry_t;
-
-typedef enum
-{
- MR_MODE_DST_ONLY = 0,
- MR_MODE_SRC_DST,
- _MR_MODE_MAX
-} map_request_mode_t;
-
-#define foreach_lisp_flag_bit \
- _(USE_PETR, "Use Proxy-ETR") \
- _(XTR_MODE, "ITR/ETR mode") \
- _(PETR_MODE, "Proxy-ETR mode") \
- _(PITR_MODE, "Proxy-ITR mode") \
- _(STATS_ENABLED, "Statistics enabled")
-
-typedef enum lisp_flag_bits
-{
-#define _(sym, str) LISP_FLAG_BIT_##sym,
- foreach_lisp_flag_bit
-#undef _
-} lisp_flag_bits_e;
-
-typedef enum lisp_flags
-{
-#define _(sym, str) LISP_FLAG_##sym = 1 << LISP_FLAG_BIT_##sym,
- foreach_lisp_flag_bit
-#undef _
-} lisp_flags_e;
-
-typedef struct
-{
- ip_address_t addr;
- u32 bd;
-} lisp_l2_arp_key_t;
-
-typedef enum
-{
- LISP_TRANSPORT_PROTOCOL_UDP = 1,
- LISP_TRANSPORT_PROTOCOL_API
-} lisp_transport_protocol_t;
-
-typedef struct
-{
- u64 nonce;
- u8 is_rloc_probe;
- mapping_t *mappings;
- volatile u8 is_free;
-} map_records_arg_t;
-
-typedef struct
-{
- u32 flags;
-
- /* LISP feature status */
- u8 is_enabled;
-
- /* eid table */
- gid_dictionary_t mapping_index_by_gid;
-
- /* pool of mappings */
- mapping_t *mapping_pool;
-
- /* hash map of secret keys by mapping index */
- u8 *key_by_mapping_index;
-
- /* pool of locators */
- locator_t *locator_pool;
-
- /* pool of locator-sets */
- locator_set_t *locator_set_pool;
-
- /* vector of locator-set vectors composed of and indexed by locator index */
- u32 **locator_to_locator_sets;
-
- /* hash map of locators by name */
- uword *locator_set_index_by_name;
-
- /* vector of eid index vectors supported and indexed by locator-set index */
- u32 **locator_set_to_eids;
-
- /* vectors of indexes for local locator-sets and mappings */
- u32 *local_mappings_indexes;
- u32 *local_locator_set_indexes;
-
- /* hash map of forwarding entries by mapping index */
- u32 *fwd_entry_by_mapping_index;
-
- /* pool of vectors of rmts per lcl mapping in adjacencies */
- u32 **lcl_to_rmt_adjacencies;
-
- /* hash of pool positions of vectors of rmts by lcl mapping index */
- u32 *lcl_to_rmt_adjs_by_lcl_idx;
-
- /* forwarding entries pool */
- fwd_entry_t *fwd_entry_pool;
-
- /* hash map keyed by nonce of pending map-requests */
- uword *pending_map_requests_by_nonce;
-
- /* pool of pending map requests */
- pending_map_request_t *pending_map_requests_pool;
-
- /* pool of pending map registers */
- pending_map_register_t *pending_map_registers_pool;
-
- /* hash map of sent map register messages */
- uword *map_register_messages_by_nonce;
-
- /* vector of map-resolvers */
- lisp_msmr_t *map_resolvers;
-
- /* vector of map-servers */
- lisp_msmr_t *map_servers;
-
- /* map resolver address currently being used for sending requests.
- * This has to be an actual address and not an index to map_resolvers vector
- * since the vector may be modified during request resend/retry procedure
- * and break things :-) */
- ip_address_t active_map_resolver;
- ip_address_t active_map_server;
-
- u8 do_map_resolver_election;
- u8 do_map_server_election;
-
- /* map-request locator set index */
- u32 mreq_itr_rlocs;
-
- /* vni to vrf hash tables */
- uword *table_id_by_vni;
- uword *vni_by_table_id;
-
- /* vni to bd-index hash tables */
- uword *bd_id_by_vni;
- uword *vni_by_bd_id;
-
- /* track l2 and l3 interfaces that have been created for vni */
- uword *l2_dp_intf_by_vni;
-
- /* Proxy ITR map index */
- u32 pitr_map_index;
-
- /** Proxy ETR map index used for 'use-petr'.
- * Not related to PETR tunnel mode */
- u32 petr_map_index;
-
- /* mapping index for NSH */
- u32 nsh_map_index;
-
- /* map request mode */
- u8 map_request_mode;
-
- /* enable/disable map registering */
- u8 map_registering;
-
- /* enable/disable rloc-probing */
- u8 rloc_probing;
-
- /* timing wheel for mapping timeouts */
- TWT (tw_timer_wheel) wheel;
-
- /** Per thread pool of records shared with thread0 */
- map_records_arg_t **map_records_args_pool;
-
- /* TTL used for all mappings when registering */
- u32 map_register_ttl;
-
- /* control variables for map server election */
- u32 max_expired_map_registers;
- u32 expired_map_registers;
-
- /** either UDP based or binary API. Default is UDP */
- lisp_transport_protocol_t transport_protocol;
-
- /** Retry service node index */
- u32 retry_service_index;
-
- /* commodity */
- ip4_main_t *im4;
- ip6_main_t *im6;
- vlib_main_t *vlib_main;
- vnet_main_t *vnet_main;
-} lisp_cp_main_t;
-
-/* lisp-gpe control plane */
-extern lisp_cp_main_t lisp_control_main;
-
-extern vlib_node_registration_t lisp_cp_input_node;
-extern vlib_node_registration_t lisp_cp_lookup_ip4_node;
-extern vlib_node_registration_t lisp_cp_lookup_ip6_node;
-
-clib_error_t *lisp_cp_init ();
-
-always_inline lisp_cp_main_t *
-vnet_lisp_cp_get_main ()
-{
- return &lisp_control_main;
-}
-
-void
-get_src_and_dst_eids_from_buffer (lisp_cp_main_t * lcm, vlib_buffer_t * b,
- gid_address_t * src, gid_address_t * dst,
- u16 type);
-
-typedef struct
-{
- u8 is_add;
- union
- {
- u8 *name;
- u32 index;
- };
- locator_t *locators;
- u8 local;
-} vnet_lisp_add_del_locator_set_args_t;
-
-int
-vnet_lisp_add_del_locator_set (vnet_lisp_add_del_locator_set_args_t * a,
- u32 * ls_index);
-int
-vnet_lisp_add_del_locator (vnet_lisp_add_del_locator_set_args_t * a,
- locator_set_t * ls, u32 * ls_index);
-
-typedef struct
-{
- u8 is_add;
- gid_address_t eid;
- u32 locator_set_index;
-
- u32 ttl;
- u8 action;
- u8 authoritative;
-
- u8 local;
- u8 is_static;
- u8 *key;
- u8 key_id;
-} vnet_lisp_add_del_mapping_args_t;
-
-int
-vnet_lisp_map_cache_add_del (vnet_lisp_add_del_mapping_args_t * a,
- u32 * map_index);
-int
-vnet_lisp_add_del_local_mapping (vnet_lisp_add_del_mapping_args_t * a,
- u32 * map_index_result);
-
-int
-vnet_lisp_add_mapping (vnet_lisp_add_del_mapping_args_t * a,
- locator_t * rlocs, u32 * res_map_index,
- u8 * is_changed);
-
-int vnet_lisp_del_mapping (gid_address_t * eid, u32 * res_map_index);
-
-typedef struct
-{
- gid_address_t reid;
- gid_address_t leid;
- u8 is_add;
-} vnet_lisp_add_del_adjacency_args_t;
-
-int vnet_lisp_add_del_adjacency (vnet_lisp_add_del_adjacency_args_t * a);
-
-typedef struct
-{
- u8 is_add;
- ip_address_t address;
-} vnet_lisp_add_del_map_resolver_args_t;
-
-int
-vnet_lisp_add_del_map_resolver (vnet_lisp_add_del_map_resolver_args_t * a);
-int vnet_lisp_add_del_map_server (ip_address_t * addr, u8 is_add);
-
-clib_error_t *vnet_lisp_enable_disable (u8 is_enabled);
-u8 vnet_lisp_enable_disable_status (void);
-void vnet_lisp_create_retry_process (lisp_cp_main_t * lcm);
-
-int vnet_lisp_pitr_set_locator_set (u8 * locator_set_name, u8 is_add);
-int vnet_lisp_use_petr (ip_address_t * ip, u8 is_add);
-
-typedef struct
-{
- u8 is_add;
- u8 *locator_set_name;
-} vnet_lisp_add_del_mreq_itr_rloc_args_t;
-
-int
-vnet_lisp_add_del_mreq_itr_rlocs (vnet_lisp_add_del_mreq_itr_rloc_args_t * a);
-
-int vnet_lisp_clear_all_remote_adjacencies (void);
-
-int vnet_lisp_eid_table_map (u32 vni, u32 vrf, u8 is_l2, u8 is_add);
-int vnet_lisp_add_del_map_table_key (gid_address_t * eid, char *key,
- u8 is_add);
-int vnet_lisp_set_map_request_mode (u8 mode);
-u8 vnet_lisp_get_map_request_mode (void);
-lisp_adjacency_t *vnet_lisp_adjacencies_get_by_vni (u32 vni);
-int vnet_lisp_rloc_probe_enable_disable (u8 is_enable);
-int vnet_lisp_map_register_enable_disable (u8 is_enable);
-u8 vnet_lisp_map_register_state_get (void);
-u8 vnet_lisp_rloc_probe_state_get (void);
-int vnet_lisp_add_del_l2_arp_ndp_entry (gid_address_t * key, u8 * mac,
- u8 is_add);
-u32 *vnet_lisp_l2_arp_bds_get (void);
-lisp_api_l2_arp_entry_t *vnet_lisp_l2_arp_entries_get_by_bd (u32 bd);
-int vnet_lisp_nsh_set_locator_set (u8 * locator_set_name, u8 is_add);
-int vnet_lisp_map_register_set_ttl (u32 ttl);
-u32 vnet_lisp_map_register_get_ttl (void);
-int vnet_lisp_map_register_fallback_threshold_set (u32 value);
-u32 vnet_lisp_map_register_fallback_threshold_get (void);
-u32 *vnet_lisp_ndp_bds_get (void);
-lisp_api_ndp_entry_t *vnet_lisp_ndp_entries_get_by_bd (u32 bd);
-u32 vnet_lisp_set_transport_protocol (u8 protocol);
-lisp_transport_protocol_t vnet_lisp_get_transport_protocol (void);
-
-extern int vnet_lisp_enable_disable_xtr_mode (u8 is_enabled);
-extern int vnet_lisp_enable_disable_pitr_mode (u8 is_enabled);
-extern int vnet_lisp_enable_disable_petr_mode (u8 is_enabled);
-extern u8 vnet_lisp_get_xtr_mode (void);
-extern u8 vnet_lisp_get_pitr_mode (void);
-extern u8 vnet_lisp_get_petr_mode (void);
-
-map_records_arg_t *parse_map_reply (vlib_buffer_t * b);
-
-always_inline mapping_t *
-lisp_get_petr_mapping (lisp_cp_main_t * lcm)
-{
- return pool_elt_at_index (lcm->mapping_pool, lcm->petr_map_index);
-}
-
-#endif /* VNET_CONTROL_H_ */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */